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Finding the Fourth Proportional to 168,003.19, 252,104.01 and 61,377.67

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Solution

The fourth proportional to 168,003.19, 252,104.01 and 61,377.67 is: 92,102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,003.19 : 252,104.01 = 61,377.67 : x
  2. Step 2: Convert to fraction form
    168,003.19/252,104.01 = 61,377.67/x
  3. Step 3: Cross multiply
    168,003.19x = 252,104.01 × 61,377.67
  4. Step 4: Simplify right side
    168,003.19x = 15,473,556,731.46
  5. Step 5: Solve for x
    x = 15,473,556,731.46/168,003.19
  6. Step 6: Final answer
    x = 92,102.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.